Add browser test to connect chormium sink to remote tracks, verify that no crash.

content/browser/media/webrtc_browsertest.cc

Index: content/browser/media/webrtc_browsertest.cc
diff --git a/content/browser/media/webrtc_browsertest.cc b/content/browser/media/webrtc_browsertest.cc
index 92c6d449618b2f1c7f9eba3cfde99ad21d5001d9..d2bc9a06bb4c1cbc945d84e0783bfe9b2af9f9ea 100644
--- a/content/browser/media/webrtc_browsertest.cc
+++ b/content/browser/media/webrtc_browsertest.cc
@@ -208,6 +208,11 @@ IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest, MAYBE_CanForwardRemoteStream720p) {
   MakeTypicalPeerConnectionCall(javascript);
 }
 
+IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
+                       NoCrashWhenConnectChromiumSinkToRemoteTrack) {
+  MakeTypicalPeerConnectionCall("ConnectChromiumSinkToRemoteAudioTrack();");
+}
+
 // This test will make a complete PeerConnection-based call but remove the
 // MSID and bundle attribute from the initial offer to verify that
 // video is playing for the call even if the initiating client don't support